Abstract
The tetragonal phase stability of (Ba1-xPrx)(Ti0.99Mn0.01)O3 (x = 0, 0.01, 0.02) ceramics prepared using a cold-pressing ceramic technique was investigated by X-ray diffraction (XRD), electron spin resonance (ESR), scanning electron microscopy (SEM), and dielectric measurements. Tetragonal and hexagonal phases coexist at x = 0, but at x = 0.02, the hexagonal phase disappears and the tetragonal phase is completely stabilized by the appearance of Mn2+. Co-doped Pr ions serve as a tetragonal phase stabilizer for Mn-doped BaTiO3.
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